US10694269B2 - Optical cable identification tool - Google Patents

Optical cable identification tool Download PDF

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Publication number
US10694269B2
US10694269B2 US16/105,524 US201816105524A US10694269B2 US 10694269 B2 US10694269 B2 US 10694269B2 US 201816105524 A US201816105524 A US 201816105524A US 10694269 B2 US10694269 B2 US 10694269B2
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Prior art keywords
cable
port
features
switch device
table entry
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Application number
US16/105,524
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US20200059710A1 (en
Inventor
Chao-Lan HUANG
Tsu-Tai KUNG
Hou-Lung Lin
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Quanta Computer Inc
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Quanta Computer Inc
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Priority to US16/105,524 priority Critical patent/US10694269B2/en
Assigned to QUANTA COMPUTER, INC. reassignment QUANTA COMPUTER, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HUANG, Chao-lan, KUNG, TSU-TAI, LIN, HOU-LUNG
Priority to TW107145794A priority patent/TW202010291A/zh
Priority to CN201811619473.4A priority patent/CN110891204A/zh
Priority to EP19151360.5A priority patent/EP3614685A1/en
Priority to JP2019022677A priority patent/JP2020031414A/ja
Publication of US20200059710A1 publication Critical patent/US20200059710A1/en
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Publication of US10694269B2 publication Critical patent/US10694269B2/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/10—Exchange station construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/13—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules
    • H04Q1/135—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules characterized by patch cord details
    • H04Q1/136—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules characterized by patch cord details having patch field management or physical layer management arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/502—LED transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0003—Switching fabrics, e.g. transport network, control network
    • H04J2203/0012—Switching modules and their interconnections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0052—Interconnection of switches

Definitions

  • the present invention relates to optical cable detection, and more specifically, to systems and methods for determining whether an optical cable matches a port on a switch device.
  • server racks can employ top-of-rack switching, which is a network architecture designed to allow servers and other electronic appliances to connect to an in-rack network switch.
  • top-of-rack switching is a network architecture designed to allow servers and other electronic appliances to connect to an in-rack network switch.
  • a switch can sit at the top of a server rack for easy accessibility and cable management. Cables connect each server in the server rack to the switch. The switch can then connect to an external data center network.
  • This design allows for short, in-rack connections between each server and the switch. A single, longer connection is then provided between the switch on the server rack and the data center network.
  • Alternative designs for server racks are more expensive and rely on individual connections between each server and the external data center network.
  • a first embodiment comprises a switch device.
  • the switch device can include a cable identification tool.
  • the cable identification tool can be configured to receive a port configuration table from a management device.
  • the switch device can then obtain features of at least one cable.
  • the switch device can then compare the obtained features with a table entry in the port configuration table to yield a comparison result.
  • the table entry can correspond to the port of the at least one switch.
  • the switch device can generate one or more notifications.
  • the notifications can indicate a match status of the at least one cable to the port.
  • a second embodiment of the present disclosure can provide a method for identifying a match status of a cable by a cable identification tool on a switch device.
  • the method can comprise first receiving a port configuration table from a management device. The method can then provide for obtaining features of at least one cable. The method can then provide for comparing the obtained features with a table entry in the port configuration table to yield a comparison result. The table entry can correspond to a port of the switch device. Based on the comparison result, the method can provide for generating one or more notifications indicating a match status of the at least one cable to the port.
  • a third embodiment of the present disclosure can provide for a non-transitory machine-readable medium.
  • the non-transitory machine-readable medium can have stored instructions for performing a method of identifying a match status of a cable by a cable identification tool.
  • the non-transitory machine-readable medium can comprise machine executable code which, when executed by at least one machine, causes the machine to perform a series of steps.
  • the machine can first receive a port configuration table from a management device.
  • the machine can then obtain features of at least one cable.
  • the machine can then compare the obtained features with a table entry in the port configuration table to yield a comparison result.
  • the table entry can correspond to a port of the switch device. Based on the comparison result, the machine can generate one or more notifications indicating a match status of the at least one cable to the port.
  • the port configuration table can contain at least one of a cable vendor, a part number, a cable type, and a speed for each port in the switch device.
  • obtaining features of the at least one cable can further comprise using the cable identification tool to retrieve stored cable features from a memory module of the cable.
  • the stored cable features of the cable can include at least one of a cable type, a cable length, a cable vendor, a part number, and a speed.
  • the switch device can further comprise a notification device, such as a light emitting diode (LED).
  • the notification device can be configured to generate at least one of the one or more notifications.
  • generating one or more notifications can further comprise determining that the comparison result shows that the obtained features of the at least one cable match a port in the switch device.
  • the port can be a port to which the at least one cable is attached.
  • the cable identification tool can then configure the LED to provide a first color.
  • generating one or more notifications can further comprise determining that the comparison result shows that the obtained features of the at least one cable do not match a port in the switch device.
  • the port can be a port to which the at least one cable is attached.
  • the cable identification tool can then configure the LED to provide a second color different than the first color.
  • obtaining the features of the at least one cable can comprise creating a table of detected features of the at least one cable.
  • the table can be stored in a memory module of the switch device.
  • computer system can identify any electronic computing system for storing and processing data.
  • Such an electronic computing system can include, but not be limited to, a personal computer, a laptop computer, a tablet, and a commercial or private server system.
  • FIG. 1A shows an exemplary system according to an embodiment of the present disclosure.
  • FIG. 1B shows an exemplary server rack system according to an embodiment of the present disclosure.
  • FIG. 2 shows an exemplary flowchart of a method for determining whether an optical cable matches a port in a switch device, according to an embodiment of the present disclosure.
  • the present disclosure is directed to a switch device which includes a cable identification tool.
  • the cable identification tool can receive a port configuration table from a management device and obtain features of at least one cable attached to a port of the switch device.
  • the cable identification tool can compare the obtained features with a table entry in the port configuration table to determine a match status of the at least one cable to the port.
  • the cable identification tool can thus accurately identify whether an incorrect cable is attached to a port on the switch device.
  • the cable identification tool can eliminate errors and transmission failures that occur when a cable is attached to an incorrect port on the switch device.
  • the cable identification tool can also provide for sending notifications to a user when an incorrect cable is attached. Therefore, the present application provides for an instant identification of an incorrect cable which allows the user to correct the cables.
  • FIGS. 1A and 1B show an exemplary system 100 according to an embodiment of the present disclosure.
  • FIG. 1A shows system 100 schematically, and FIG. 1B shows an implementation of system 100 .
  • System 100 can include a server rack system 120 ; a switch device 114 ; an optical cable identification tool 115 ; an accessory port 122 ; a management device 130 ; a mobile device 140 ; and an external computing device 150 .
  • the server rack system 120 can be a rack with a plurality of servers stacked inside the rack.
  • the server rack system 120 can contain a switch device 114 .
  • the switch device 114 can have at least one port (not pictured), where the port is configured to receive a cable.
  • the switch device 114 can have a subset of ports configured to receive certain cable types. For example, some ports can receive cables from servers in the server rack system 120 . Other ports can receive cables from an external data center. Other ports can be configured to receive cables from a management device 130 . Other ports can connect to an external computing device 150 .
  • the switch device can have the following ports: 10/100/1000/10G/40G/100G/400G ports. In some cases, a port can fan out into other ports. For example, a 40G port can fan out into a four 10G ports, a 100G port can fan out into four 25G ports.
  • the switch device 114 can incorporate an optical cable identification tool 115 , according to an embodiment of the present disclosure.
  • the optical identification tool 115 can be implemented in the switch device 114 as software, hardware, or a combination of both.
  • the optical cable identification tool 115 can interact with the management device 130 , the mobile device 140 , and the external computing device 150 through the switch device 114 .
  • the optical cable identification tool 115 in the switch device 114 can be configured to send and receive data from the management device 130 . This configuration can be through a port, other wired connection, or through a wireless connection.
  • the optical cable identification tool 115 of the switch device 114 can receive a port configuration table from the management device 130 .
  • the optical cable identification tool 115 of the switch device 114 can use the port configuration table to determine whether features of a cable attached to a port of the switch device 114 align with a data entry corresponding to the port in the port configuration table.
  • the port configuration table and operation of the optical cable identification tool 115 will be described will be discussed in further detail below.
  • the switch device 114 can include devices for generation of notifications for users (hereinafter “notification devices”).
  • notification devices can include a light emitting diode (LED) or other devices for visually generating notifications.
  • the optical cable identification tool 115 of the switch device 114 can operate the notification devices in response to determining whether a cable is properly attached to the switch device 114 . For example, if the switch device 114 determines that a cable is properly attached, the switch device 114 can turn a LED a first color. The first color can be green. If the switch device 114 determines that a cable is improperly attached, the switch device 114 can turn the LED a second color that is different from the first color (for example, red).
  • Notification devices are not limited solely to visual notification devices. Rather, the present disclosure contemplates that notification devices can be visual, auditory, tactile, haptic, or any combination thereof.
  • the switch device 114 can contain an accessory port 122 configured to connect an electronic device from a user.
  • the accessory port 122 can receive a USB device with notification devices installed thereon; a cable to connect to a mobile device 140 ; a cable to connect to an external computing device 150 ; or any similar component.
  • the switch device 114 can communicate to the external computing device 150 and the mobile device 140 .
  • the optical cable identification tool 115 in the switch device 114 can send a positive or negative notification through the accessory port 122 .
  • the positive or negative notification can correspond to whether a cable is properly attached to the switch device 114 .
  • a mobile device 140 or an external computing device 150 can be configured with an application to detect whether a positive or negative notification is received from the switch device 114 . If a negative notification is received, the mobile device 140 or the external computing device 150 can alert a user of the mobile device 140 that a certain cable in the rack system 120 needs to be corrected. If a positive notification is received, the mobile device 140 or the external computing device 150 can alert a user that a certain cable in the rack system 120 is appropriately connected.
  • the application can be configured to generate visual, auditory, tactile, or haptic responses in each scenario.
  • the management device 130 can be configured to notify an external system based on whether a positive or negative notification is received from the switch device 114 .
  • the system 100 can also include a server rack 110 for housing servers and can also include cables 116 that couple the switch 114 to the servers 112 .
  • the cables 116 can be SFP cables, SFP+ cables, SFP 28 cables, QSFP cables, ZSFP+ cables, QSFP-DD cables, QSFP+ cables, QFSP28 cables, or any cables configured to connect a server to a switch device 114 , such that the switch device 114 can transmit information to a server 112 and receive information from a server 112 .
  • a SFP cable can connect to a 1G port; an SFP+ cable to a 10G port; an SFP28 cable to a 25G port; an QSFP cable to a 40G port; an QSFP+ cable to a 50G or 100G port; and a QSFP-DD to a 400G port.
  • the cables 116 can be optical cables.
  • the cables 116 can contain a memory module which holds details on features of the cable.
  • the memory can be an electrically erasable programmable read-only memory (EEPROM).
  • EEPROM electrically erasable programmable read-only memory
  • the EEPROM can store cable features including at least one of a cable type, a cable length, a cable vendor, a part number, and a speed.
  • the switch device 114 is configured to communicate with management device 130 to obtain instructions for the switch device 114 .
  • the management device 130 can also provide a cable identification table to the switch device 114 , which can contain data about which ports of the switch device 114 accept which types of cables 116 .
  • the switch device 114 can use the cable identification table to determine whether or not a cables 116 are incorrectly installed. This process is described in further detail with respect to FIG. 2 .
  • FIG. 2 shows an exemplary flowchart of a method 200 for determining whether a cable matches a port in a switch device, according to an embodiment of the present disclosure.
  • This method 200 can be triggered at any time.
  • the method 200 can be initiated when a rack system boots up; initiated by a user or a management device commanding the switch device to check attached cable; initiated with a rack test program; or initiated when a cable is plugged into the switch device.
  • the method 200 can be performed by an optical cable identification tool on a switch device in a rack system, such as optical cable identification tool 115 in switch device 114 of FIGS. 1A and 1B .
  • the method 200 can begin in step 210 when the optical identification tool receives a port configuration table from a management device.
  • the optical identification tool 115 can receive a port configuration table from management device 130 .
  • the port configuration table can contain information on what cables each port is configured to receive.
  • a switch device 115 can have a plurality of ports, and each port can be configured to receive certain types of cables. Therefore, an exemplary port configuration table, according to an embodiment of the present disclosure, can identify a port number and specify what features a cable needs to have in order to operate properly with that port number.
  • a port configuration table can contain information on a cable vendor, a part number, a cable type, and a speed for each port in the switch device.
  • An exemplary port configuration table is shown below in Table 1.
  • the optical cable identification tool can also obtain features of at least one cable attached to a port in the switch device in step 210 of FIG. 2 .
  • the optical cable identification tool can receive a port identification table and obtain features of at least one attached cable in any order.
  • the optical cable identification tool can obtain features of an attached cable by interfacing with a memory module on the cable.
  • the cable can have an EEPROM which stores information on features of the cable. Stored feature information can include a cable type, a cable length, a cable vendor, a part number, and a speed.
  • the optical cable identification tool can retrieve these and any other stored features from the EEPROM on the cable.
  • step 210 can include creating a table of detected features of the at least one cable.
  • the optical cable identification tool can create this table of the obtained features of the at least one cable to be in the same format as the port configuration table received from the management device.
  • the optical cable identification tool can compare the obtained features with a table entry in the port identification table at step 220 .
  • the table entry can correspond to the port to which the at least one cable is attached.
  • the optical cable identification tool can determine whether the obtained features match the table entry in step 230 . If the obtained features do match the table entry, the optical cable identification tool can proceed to step 240 and produce a positive notification. If the obtained features do not match the table entry, the optical cable identification tool can proceed to step 250 and produce a negative notification.
  • the notification produced by the optical cable identification tool can be operating a light on the switch device.
  • the switch device can be configured to operate the LED in response to the comparison.
  • a positive notification can turn an LED a first color on the switch device and a negative notification can turn an LED a second color on the switch device.
  • the first color can be green and the second color can be red.
  • any colors can be used, without limitation.
  • the positive or negative notification can be sent to an administrator's computer to identify whether the cable usage is proper or improper.
  • an alert can be sent to a mobile device of a rack system operator.
  • the present disclosure is not limited to any particular type of notification device.
  • an all network alert can be implemented such that all external devices connected to the switch device can receive the notifications.
  • the switch device can use a file handshake operation to exchange notifications with the management device.
  • notifications can be sent via a simple network management protocol (SNMP) or a simple mail transfer protocol (SMTP).
  • SNMP simple network management protocol
  • SMTP simple mail transfer protocol
  • the flow diagrams in FIG. 2 are representative of example machine readable instructions for the system 100 in FIGS. 1A-1B .
  • the machine readable instructions comprise an algorithm for execution by: (a) a processor; (b) a controller; and/or (c) one or more other suitable processing device(s).
  • the algorithm may be embodied in software stored on tangible media such as flash memory, CD-ROM, floppy disk, hard drive, digital video (versatile) disk (DVD), or other memory devices.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Electric Cable Installation (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
US16/105,524 2018-08-20 2018-08-20 Optical cable identification tool Active US10694269B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US16/105,524 US10694269B2 (en) 2018-08-20 2018-08-20 Optical cable identification tool
TW107145794A TW202010291A (zh) 2018-08-20 2018-12-19 交換器、識別電纜匹配狀態的方法以及非暫態性機器可讀媒體
CN201811619473.4A CN110891204A (zh) 2018-08-20 2018-12-28 交换器、识别电缆匹配状态的方法及非暂态机器可读介质
EP19151360.5A EP3614685A1 (en) 2018-08-20 2019-01-11 Optical cable identification tool
JP2019022677A JP2020031414A (ja) 2018-08-20 2019-02-12 光ケーブル識別ツール

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16/105,524 US10694269B2 (en) 2018-08-20 2018-08-20 Optical cable identification tool

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US20200059710A1 US20200059710A1 (en) 2020-02-20
US10694269B2 true US10694269B2 (en) 2020-06-23

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US (1) US10694269B2 (zh)
EP (1) EP3614685A1 (zh)
JP (1) JP2020031414A (zh)
CN (1) CN110891204A (zh)
TW (1) TW202010291A (zh)

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US11934568B2 (en) * 2019-12-12 2024-03-19 Mellanox Technologies, Ltd. Cable security
US11362916B2 (en) * 2020-07-15 2022-06-14 International Business Machines Corporation Visual identification of a port and a cable in a network
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Title
Extended European Search Report for EP Application No. 19151360.5, dated Jul. 15, 2019.

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US20200059710A1 (en) 2020-02-20
CN110891204A (zh) 2020-03-17

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